Investigation on Mechanical and Microstructure Properties of Steel Fiber Reinforced Concrete
This paper studied the microscopic and mechanical property degradation of axially compressed concrete with different steel fiber content under chemical erosion and freeze-thaw environment. Concrete cylinders with three types of steel fiber contents (0%, 1%, 2%) were selected to study the durability...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2022-01-01
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| Series: | Advances in Materials Science and Engineering |
| Online Access: | http://dx.doi.org/10.1155/2022/3681132 |
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| _version_ | 1832550460662218752 |
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| author | Qinyuan Zhang Wenwen Xu Yichen Sun Yongcheng Ji |
| author_facet | Qinyuan Zhang Wenwen Xu Yichen Sun Yongcheng Ji |
| author_sort | Qinyuan Zhang |
| collection | DOAJ |
| description | This paper studied the microscopic and mechanical property degradation of axially compressed concrete with different steel fiber content under chemical erosion and freeze-thaw environment. Concrete cylinders with three types of steel fiber contents (0%, 1%, 2%) were selected to study the durability behavior concerning different environmental effects up to 28 days, which included tap water, 3.5% sodium chloride solution, 10% sodium sulfate solution, 5% sulfuric acid solution, 2 mol/L sodium hydroxide solution, and 100 freeze-thaw cycles. The variation of specimens’ microstructure and axial bearing capacity with different fiber content was studied with the chemical erosion cycle increase, and the mass and pH variations of the specimen were measured. According to the law of micro-cracks, the deterioration degree was judged, and a numerical analysis model was established to quantify the reliability of the structure with different fiber content. The results show that the addition of steel fiber can effectively improve the axial bearing capacity of concrete, and a freeze-thaw environment and chemical erosion can accelerate fiber-reinforced concrete’s failure. The optimal content of steel fiber was determined, which is 1% for sodium chloride and sodium sulfate environments, and 2% for the freeze-thaw cycle, dilute sulfuric acid, and sodium hydroxide environments. The finite element software Abaqus was used to simulate and analyze the freeze-thaw cycle and mechanical test of concrete, which verified the rationality of the test results. Research results will provide a theoretical basis for predicting the performance deterioration of steel fiber reinforced concrete under different erosion conditions and periods. |
| format | Article |
| id | doaj-art-fa5a2234e11740abb37040ef844ffad4 |
| institution | Kabale University |
| issn | 1687-8442 |
| language | English |
| publishDate | 2022-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Materials Science and Engineering |
| spelling | doaj-art-fa5a2234e11740abb37040ef844ffad42025-02-03T06:06:49ZengWileyAdvances in Materials Science and Engineering1687-84422022-01-01202210.1155/2022/3681132Investigation on Mechanical and Microstructure Properties of Steel Fiber Reinforced ConcreteQinyuan Zhang0Wenwen Xu1Yichen Sun2Yongcheng Ji3College of Civil EngineeringCollege of Civil EngineeringCollege of Civil EngineeringCollege of Civil EngineeringThis paper studied the microscopic and mechanical property degradation of axially compressed concrete with different steel fiber content under chemical erosion and freeze-thaw environment. Concrete cylinders with three types of steel fiber contents (0%, 1%, 2%) were selected to study the durability behavior concerning different environmental effects up to 28 days, which included tap water, 3.5% sodium chloride solution, 10% sodium sulfate solution, 5% sulfuric acid solution, 2 mol/L sodium hydroxide solution, and 100 freeze-thaw cycles. The variation of specimens’ microstructure and axial bearing capacity with different fiber content was studied with the chemical erosion cycle increase, and the mass and pH variations of the specimen were measured. According to the law of micro-cracks, the deterioration degree was judged, and a numerical analysis model was established to quantify the reliability of the structure with different fiber content. The results show that the addition of steel fiber can effectively improve the axial bearing capacity of concrete, and a freeze-thaw environment and chemical erosion can accelerate fiber-reinforced concrete’s failure. The optimal content of steel fiber was determined, which is 1% for sodium chloride and sodium sulfate environments, and 2% for the freeze-thaw cycle, dilute sulfuric acid, and sodium hydroxide environments. The finite element software Abaqus was used to simulate and analyze the freeze-thaw cycle and mechanical test of concrete, which verified the rationality of the test results. Research results will provide a theoretical basis for predicting the performance deterioration of steel fiber reinforced concrete under different erosion conditions and periods.http://dx.doi.org/10.1155/2022/3681132 |
| spellingShingle | Qinyuan Zhang Wenwen Xu Yichen Sun Yongcheng Ji Investigation on Mechanical and Microstructure Properties of Steel Fiber Reinforced Concrete Advances in Materials Science and Engineering |
| title | Investigation on Mechanical and Microstructure Properties of Steel Fiber Reinforced Concrete |
| title_full | Investigation on Mechanical and Microstructure Properties of Steel Fiber Reinforced Concrete |
| title_fullStr | Investigation on Mechanical and Microstructure Properties of Steel Fiber Reinforced Concrete |
| title_full_unstemmed | Investigation on Mechanical and Microstructure Properties of Steel Fiber Reinforced Concrete |
| title_short | Investigation on Mechanical and Microstructure Properties of Steel Fiber Reinforced Concrete |
| title_sort | investigation on mechanical and microstructure properties of steel fiber reinforced concrete |
| url | http://dx.doi.org/10.1155/2022/3681132 |
| work_keys_str_mv | AT qinyuanzhang investigationonmechanicalandmicrostructurepropertiesofsteelfiberreinforcedconcrete AT wenwenxu investigationonmechanicalandmicrostructurepropertiesofsteelfiberreinforcedconcrete AT yichensun investigationonmechanicalandmicrostructurepropertiesofsteelfiberreinforcedconcrete AT yongchengji investigationonmechanicalandmicrostructurepropertiesofsteelfiberreinforcedconcrete |